[FFmpeg-trac] #4679(undetermined:new): jpeg2000: "Block length 74 or lengthinc 256 is too large"

FFmpeg trac at avcodec.org
Sat Jun 27 12:42:51 CEST 2015


#4679: jpeg2000: "Block length 74 or lengthinc 256 is too large"
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 {{{
 C:\>kdu_compress.exe -i test3.bmp -o btoolarge.jp2 Creversible
 =yes Clayers=9 -rate 1.0,0.04 Stiles={711,393} Cprecincts={128,128}
 Note:
     The default rate control policy for colour images employs visual (CSF)
     weighting factors.  To minimize MSE instead, specify `-no_weights'.

 Generated 84 tile-part(s) for a total of 84 tile(s).
 Code-stream bytes (excluding any file format) = 2,727,642 = 0.998197
 bits/pel.
 Layer bit-rates (possibly inexact if tiles are divided across tile-parts):
         0.039479, 0.066237, 0.102762, 0.156478, 0.215049, 0.322877,
 0.572128,
         0.690486, 0.998197
 Layer thresholds:
         44301, 43909, 43517, 43125, 42732, 42339, 41946, 41553, 40899
 Processed using the multi-threaded environment, with
     8 parallel threads of execution
 }}}

 {{{
 C:\>ffmpeg -i btoolarge.jp2 out.bmp
 ffmpeg version 2.6.git Copyright (c) 2000-2015 the FFmpeg developers
   built with gcc 4.6.2 (GCC)
   configuration: --disable-pthreads --enable-gpl --disable-ffprobe
   libavutil      54. 27.100 / 54. 27.100
   libavcodec     56. 41.100 / 56. 41.100
   libavformat    56. 37.100 / 56. 37.100
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 17.100 /  5. 17.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  2.100 /  1.  2.100
   libpostproc    53.  3.100 / 53.  3.100
 [jpeg2000 @ 0229f760] Warning: not compiled with thread support, using
 thread em
 ulation
 [jpeg2000 @ 0229f760] Block length 74 or lengthinc 256 is too large, left
 190
 Input #0, j2k_pipe, from 'btoolarge.jp2':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0),
 rgb24, 53
 99x4049, 25 tbr, 25 tbn, 25 tbc
 [bmp @ 0230eb60] Warning: not compiled with thread support, using thread
 emulati
 on
 [jpeg2000 @ 022df020] Warning: not compiled with thread support, using
 thread em
 ulation
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf56.37.100
     Stream #0:0: Video: bmp, bgr24, 5399x4049, q=2-31, 200 kb/s, 25 fps,
 25 tbn,
  25 tbc
     Metadata:
       encoder         : Lavc56.41.100 bmp
 Stream mapping:
   Stream #0:0 -> #0:0 (jpeg2000 (native) -> bmp (native))
 Press [q] to stop, [?] for help
 [jpeg2000 @ 022df020] Block length 74 or lengthinc 256 is too large, left
 190
 Error while decoding stream #0:0: Invalid data found when processing input
 frame=    0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing ove
 rhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters i
 f used)
 Conversion failed!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4679>
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